Polarization observables in the semiexclusive photoinduced three-body breakup of 3He

Abstract

The photon and 3He analyzing powers as well as spin correlation coefficients in the semiexclusive three-body photodisintegration of 3He are investigated for incoming photon laboratory energies E=12, 40 and 120 MeV. The nuclear states are obtained by solving three-body Faddeev equations with the AV18 nucleon-nucleon potential alone or supplemented with the UrbanaIX three-nucleon force. Explicit pi- and rho-meson exchange currents are taken into account, but we also compare to other models of the electromagnetic current. In some kinematical conditions we have found strong effects of the three-nucleon force for the 3He analyzing power and spin correlation coefficients, as well strong sensitivities to the choice of the currents. This set of predictions should be a useful guidance for the planning of measurements. In addition, we compare our results for two-body 3He breakup induced by polarized photons with a few existing data.

23 pages, 16 figures

References in corpus (8)

• Three-Nucleon Forces from Chiral Effective Field Theory
• Momentum-space treatment of Coulomb interaction in three-nucleon reactions with two protons
• Electromagnetic structure of A=2 and 3 nuclei and the nuclear current operator
• Electron and Photon Scattering on Three-Nucleon Bound States
• Trinucleon photonuclear reactions with $\Delta$-isobar excitation: Processes below pion-production threshold
• Low-Energy Photodisintegration of the Deuteron and Big-Bang Nucleosynthesis
• Three-Nucleon Photodisintegration of 3He
• Effects of the magnetic moment interaction between nucleons on observables in the 3N continuum

Cited by in corpus (5)

• Benchmark calculation of inclusive electromagnetic responses in the four-body nuclear system
• First Measurements of Spin-Dependent Double-Differential Cross Sections and the GDH Integrand from \vec{^3He}(\vecγ,n)pp at Incident Photon Energies of 12.8 and 14.7 MeV
• Measurement of the Doubly-Polarized $\overrightarrow{{}^{3}He}(\vec{\gamma },n)pp$ Reaction at 16.5 MeV and Its Implications for the GDH Sum Rule
• First Measurement of the Asymmetry and the Gerasimov-Drell-Hearn Integrand from $\overrightarrow{{}^{3}He}(\vec{\gamma },p)d$ reaction at the Incident Photon Energy of 29 MeV
• Dependence of the ${}^{12}$C($\vec{\gamma }$,pd) reaction on photon linear polarisation